summaryrefslogtreecommitdiff
path: root/arch/ia64/include/uapi/asm/siginfo.h
blob: f3a02a10c3a316ba0dbb27762a1b5c806efadec8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Based on <asm-i386/siginfo.h>.
 *
 * Modified 1998-2002
 *	David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co
 */
#ifndef _UAPI_ASM_IA64_SIGINFO_H
#define _UAPI_ASM_IA64_SIGINFO_H


#define __ARCH_SI_PREAMBLE_SIZE	(4 * sizeof(int))

#define HAVE_ARCH_SIGINFO_T
#define HAVE_ARCH_COPY_SIGINFO_TO_USER

#include <asm-generic/siginfo.h>

typedef struct siginfo {
	int si_signo;
	int si_errno;
	int si_code;
	int __pad0;

	union {
		int _pad[SI_PAD_SIZE];

		/* kill() */
		struct {
			pid_t _pid;		/* sender's pid */
			uid_t _uid;		/* sender's uid */
		} _kill;

		/* POSIX.1b timers */
		struct {
			timer_t _tid;		/* timer id */
			int _overrun;		/* overrun count */
			char _pad[sizeof(__ARCH_SI_UID_T) - sizeof(int)];
			sigval_t _sigval;	/* must overlay ._rt._sigval! */
			int _sys_private;	/* not to be passed to user */
		} _timer;

		/* POSIX.1b signals */
		struct {
			pid_t _pid;		/* sender's pid */
			uid_t _uid;		/* sender's uid */
			sigval_t _sigval;
		} _rt;

		/* SIGCHLD */
		struct {
			pid_t _pid;		/* which child */
			uid_t _uid;		/* sender's uid */
			int _status;		/* exit code */
			clock_t _utime;
			clock_t _stime;
		} _sigchld;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			void __user *_addr;	/* faulting insn/memory ref. */
			int _imm;		/* immediate value for "break" */
			unsigned int _flags;	/* see below */
			unsigned long _isr;	/* isr */
			short _addr_lsb;	/* lsb of faulting address */
			union {
				/* used when si_code=SEGV_BNDERR */
				struct {
					void __user *_lower;
					void __user *_upper;
				} _addr_bnd;
				/* used when si_code=SEGV_PKUERR */
				__u32 _pkey;
			};
		} _sigfault;

		/* SIGPOLL */
		struct {
			long _band;	/* POLL_IN, POLL_OUT, POLL_MSG (XPG requires a "long") */
			int _fd;
		} _sigpoll;
	} _sifields;
} siginfo_t;

#define si_imm		_sifields._sigfault._imm	/* as per UNIX SysV ABI spec */
#define si_flags	_sifields._sigfault._flags
/*
 * si_isr is valid for SIGILL, SIGFPE, SIGSEGV, SIGBUS, and SIGTRAP provided that
 * si_code is non-zero and __ISR_VALID is set in si_flags.
 */
#define si_isr		_sifields._sigfault._isr

/*
 * Flag values for si_flags:
 */
#define __ISR_VALID_BIT	0
#define __ISR_VALID	(1 << __ISR_VALID_BIT)

/*
 * SIGILL si_codes
 */
#define ILL_BADIADDR	9	/* unimplemented instruction address */
#define __ILL_BREAK	10	/* illegal break */
#define __ILL_BNDMOD	11	/* bundle-update (modification) in progress */
#undef NSIGILL
#define NSIGILL		11

/*
 * SIGFPE si_codes
 */
#ifdef __KERNEL__
#define FPE_FIXME	0	/* Broken dup of SI_USER */
#endif /* __KERNEL__ */
#define __FPE_DECOVF	9	/* decimal overflow */
#define __FPE_DECDIV	10	/* decimal division by zero */
#define __FPE_DECERR	11	/* packed decimal error */
#define __FPE_INVASC	12	/* invalid ASCII digit */
#define __FPE_INVDEC	13	/* invalid decimal digit */
#undef NSIGFPE
#define NSIGFPE		13

/*
 * SIGSEGV si_codes
 */
#define __SEGV_PSTKOVF	4	/* paragraph stack overflow */
#undef NSIGSEGV
#define NSIGSEGV	4

#undef NSIGTRAP
#define NSIGTRAP	4


#endif /* _UAPI_ASM_IA64_SIGINFO_H */